Remove copyright from empty files

According to policy change in HACKING:
http://docs.openstack.org/developer/hacking/#openstack-licensing
empty files should no longer contain copyright notices.

Change-Id: Icad4ffa9843baeb9c437d2e2c0b0d35c24abc68a
Closes-Bug: #1262424
adds support for configurations management

Reason:
Adding configuration group support for the python-troveclient

Changes:
adding configuration api calls
adding the compat client for tests and xml
added the shell cmds for the configurations in the client
made the path to datastore/version/parameters
added unit tests

partially implements blueprint configuration-management

Change-Id: Ifc0b4077c93a805898b4cd157e33172f64e85b55
Merge "Remove copyright from empty files"
Remove vim header

No need to set tabstop tons of times, this can be set in your vimrc
file instead.

More disucssion:
http://openstack.10931.n7.nabble.com/Remove-vim-modelines-td21780.html

Change-Id: I45766d91f0c0b3622bbdc7dc5517497c87ebee8c
Closes-Bug: #1229324
Allow log files audit

Reason:
- audit process is required for database management

Changes:
- adding functionality for instance database log managements
dblog-create, dblog-list, dblog-show;
- tests.

Change-Id: Ie9a88481e9f1f0b4c066fea3b9394cf80550986e
Implements: blueprint dbinstance-log